Gracious
Javona is likely a modern American feminine elaboration of Javan or Jane. It combines the Hebrew roots associated with 'God is gracious' with a rhythmic, contemporary suffix common in African American naming traditions.
Less common today
Javona isn't in the latest US Top 1000. It last peaked at #5,891 in 1994.
US births per 5-year period, 1990βpresent (SSA data).